Home / 141,420.32-212,152.34-88,071.49

Finding the Fourth Proportional to 141,420.32, 212,152.34 and 88,071.49

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Solution

The fourth proportional to 141,420.32, 212,152.34 and 88,071.49 is: 132,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,420.32 : 212,152.34 = 88,071.49 : x
  2. Step 2: Convert to fraction form
    141,420.32/212,152.34 = 88,071.49/x
  3. Step 3: Cross multiply
    141,420.32x = 212,152.34 × 88,071.49
  4. Step 4: Simplify right side
    141,420.32x = 18,684,572,380.58
  5. Step 5: Solve for x
    x = 18,684,572,380.58/141,420.32
  6. Step 6: Final answer
    x = 132,120.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.